TB2902HQ 데이터 시트보기 (PDF) - Toshiba

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TB2902HQ

Maximum Power 41 W BTL x 4-ch Audio Power IC

Toshiba 

DB3 Diagnostic Byte:

Bit

D7 Stand-by status (= IB2 − D4)

D6 Diagnostic status (= IB1 − D6)

D5 Channel 3 current detection

Output peak current < 250 mA (IB2 − D7 = 0) − open load (D5 = 1)

Output peak current < 100 mA (IB2 − D7 = 1) − open load (D5 = 1)

Output peak current > 500 mA (IB2 − D7 = 0) − normal load (D5 = 0)

Output peak current > 300 mA (IB2 − D7 = 1) − normal load (D5 = 0)

D4 Channel 3

Turn-on diagnostic (D4 = 0)

Permanent diagnostic (D4 = 1)

D3 Channel 3

Normal load (D3 = 0)

Short load (D3 = 1)

D2 Channel 3

Turn-on diag: No open load (D2 = 0)

Open load detected (D2 = 1)

Offset diag: No output offset (D2 = 0)

Output offset detected (D2 = 1)

D1 Channel 3

No short to VCC (D1 = 0)

Short to VCC (D1 = 1)

D0 Channel 3

No short to GND (D0 = 0)

Short to GND (D0 = 1)

TB2902HQ

20

2004-08-18

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